Oshodin, . T. E., K. A. Bello, B. O. Bolaji, . B. J. Olorunfemi, . O. J. Aighovbiosa, and F. Onuh. “Investigating Internal Heat Exchanger Performance in a VCR System With a CO2 and LPG Refrigerant Mixture”. ABUAD Journal of Engineering Research and Development (AJERD), vol. 7, no. 2, July 2024, pp. 86-93, doi:10.53982/ajerd.2024.0702.09-j.